CN1264816C - Mercaptan and sulfenyl-(methyl) acrylate compound and their application - Google Patents

Mercaptan and sulfenyl-(methyl) acrylate compound and their application Download PDF

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CN1264816C
CN1264816C CNB001226738A CN00122673A CN1264816C CN 1264816 C CN1264816 C CN 1264816C CN B001226738 A CNB001226738 A CN B001226738A CN 00122673 A CN00122673 A CN 00122673A CN 1264816 C CN1264816 C CN 1264816C
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methyl
compound
sulfur
bearing
mercaptan
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CN1308060A (en
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小林诚一
川内启也
铃木顺行
今井雅夫
藤井谦一
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Mitsui Chemicals Inc
Mitsui Chemical Industry Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/22—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and doubly-bound oxygen atoms bound to the same carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/10—Esters
    • C08F20/38—Esters containing sulfur
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/10—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton
    • C07C323/11—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
    • C07C323/12—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C327/00—Thiocarboxylic acids
    • C07C327/20—Esters of monothiocarboxylic acids
    • C07C327/28—Esters of monothiocarboxylic acids having sulfur atoms of esterified thiocarboxyl groups bound to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C333/00—Derivatives of thiocarbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C333/02—Monothiocarbamic acids; Derivatives thereof
    • C07C333/04—Monothiocarbamic acids; Derivatives thereof having nitrogen atoms of thiocarbamic groups bound to hydrogen atoms or to acyclic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/22—Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses

Abstract

The present invention relates to a compound of the following formula (1) and a method for producing the same, and to be useful as a starting material for a resin composition used in optical applications, wherein R, A, B, m, n and l are described in the specification.

Description

Mercaptan and sulfur-bearing O-(methyl) acrylic compound and application thereof
The application divides an application, and its female case applying date is on May 29th, 1997, and application number is 97113716.1, and denomination of invention is " mercaptan and sulfur-bearing O-(methyl) acrylic compound and application thereof ".
The present invention relates to new sulfur-bearing O-(methyl) acrylic compound; The method for preparing sulfur-bearing O-(methyl) acrylic compound, this method comprise two mercaptan acetalizations of new mercaptan compound, and mercaptan esterification or mercaptan urethane then go the hydrogen halide effect; The optical resin composition that contains sulfur-bearing O-(methyl) acrylic compound; Optical resin with the polymerization preparation of passing through said composition.
Plastic lens is lighter and do not allow frangiblely than inorganic lenses, and can dye, so plastic lens lens in Optical devices such as glasses and photographic camera is popularized rapidly.At present, the resin that can extensively be used as such comprises the resin by the radical polymerization preparation of glycol ether two (allyl carbonate) (being called ' D.A.C. ').These resins have various features such as good shock resistance, light, and well toning property and good processing characteristics comprise machinability and abrasiveness.But these resins have low about 1.50 specific refractory power (n d), therefore needing increases center thickness and edge thickness, and when addressing that need, whole lens are thickening inevitably.Therefore, need have the more lens of high refractive index.
The resin that has higher specific refractory power than D.A.C. resin is known; For example, the polythiourea resin (for example, JP-A-63-46213); Sulfur-bearing O-(methyl) acrylate resin (for example, JP-A-1-128966,3-217412 and 4-161410); And sulphur (methyl)-acrylate resin (for example, JP-A-63-188660 and JP-B-3-59060), wherein introduced sulphur atom.The character of polythiourea resin is equilibrated, that is, it have high refractive index and/good shock resistance or the like.But when rapid polymerization, this resin is often by non-homogeneous polymerization, so polymerization needs the longer time to obtain the uniform lens of optics inevitably.And it can produce the sulphur smell through cutting and abrasion in the course of processing.
Sulfur-bearing O-(methyl) acrylate resin or sulphur (methyl) acrylate resin can prepare by utilizing rapid polymerizations such as ultraviolet ray.But the resin for preparing generally can have unsuitable intensity or shock resistance, that is, frangible and can rupture.At present, lenticular resins need have the processing intensity of 2 processing methods that are suitable for being widely used in the eyeglass lens field and the center of eyeglass lens is thicker.Therefore, need a kind of have more high strength and the more resin of high impact properties.And because sulphur (methyl) acrylic compound less stable, its is understood gelling or tends to uncontrollably rapid polymerization and need complicated operations.Therefore, this situation need further be enhanced to address these problems.
The purpose of this invention is to provide a kind of optical resin composition, it has good processing properties and can be aggregated rapidly, obtain having good optical property, especially high refractive index and well shock resistance, and the optical resin that in the course of processing, seldom produces unpleasant odor.
We make great efforts to be devoted to achieve the above object, and we have found that some sulfur-bearing O-(methyl) acrylic compound is effectively, and have therefore finished the present invention.That is to say, the present invention relates to following formula
(1) sulfur-bearing O-(methyl) acrylic compound:
Wherein R represents hydrogen atom or methyl; The integer of 1 expression 1-3; B is
Figure C0012267300052
Or
Figure C0012267300053
When B is-CH＜time, then n is 2; M is 1 or 2; A is selected from following group:
With
Figure C0012267300056
Wherein m represents 1 or 2; Each ring can be by one or more alkyl with 1 or 2 carbon atom, and alkylthio or alkoxyl group replace; P and q are 0 or 1, and m is 1 when p is 1;
When B was carbonyl, then n was 1; M is 2 or 3; A is selected from following group:
-(CH 2) r-S-(CH 2) r-，-(CH 2) r-S-S-(CH 2) r-
-(CH 2) r-S-(CH 2) s-S-(CH 2) r-and
Figure C0012267300057
Wherein r and s are 1 to 3 integers;
When B be-during NH-CO-, n is 1; M is 2; A is selected from following group:
-(CH 2) r-S-(CH 2) r-,-(CH 2) r-S-S-(CH 2) r-and
-(CH 2) r-S-(CH 2) s-S-(CH 2) r-
Wherein r and s are 1 to 3 integers.
The invention still further relates to the method for sulfur-bearing O-(methyl) acrylic compound of preparation formula (1), this method comprise be used in the molecule have at least-compound of individual aldehyde radical carries out the mercaptan compound of two thiol acetalations with following formula (2) expression:
Figure C0012267300061
Wherein X represents Cl or Br; R represents hydrogen atom or methyl; Integer with 1 expression 1 to 3; Be used in have at least two carboxyls in the molecule compound with the esterification of mercaptan compound mercaptan or be used in the compound that has at least two isocyanate group in the molecule mercaptan compound is carried out the mercaptan urethane; Then product is removed hydrogen halide.
Top formula (2) compound also is new, and it also is included among the present invention as the intermediate of sulfur-bearing O-(methyl) acrylate of top formula (1).
And, the invention still further relates to the optical resin composition of sulfur-bearing O-(methyl) acrylic compound that contains top formula (1) and thioretinite and the lens that form by the polymerization said composition.
Sulfur-bearing O-of the present invention (methyl) acrylic compound is new, and it has the stability of improvement and have good workability as monomer.Optical resin composition of the present invention can promptly be aggregated, and obtains optical resin, and this resin has good optical property, especially has high refractive index and good shock resistance, and seldom produce unpleasant odor in the course of processing.
Accompanying drawing 1 to 10 is corresponding compounds of obtaining in embodiment 1 to 10 1The H-NMR collection of illustrative plates.
Of the present invention being described in detail as follows.
The present invention can be from the mercaptan compound preparation with formula (2) expression with sulfur-bearing O-(methyl) acrylic compound of formula (1) expression.Particularly, formula (1) compound can be by using the compound with the functional group that can react with the sulfydryl of mercaptan compound, as aldehyde, carboxylic acid and isocyanic ester, carry out two mercaptan acetalizations of mercaptan compound, mercaptan esterification or mercaptan urethane and then carry out product go the hydrogen halide effect.
Mercaptan compound with formula (2) expression among the present invention can be prepared as follows.With 2 mercapto ethanol, 3-mercaprol or their analogue and compound such as 3-chloropropionic acid, the 3-bromo acid, 3-chloro-2 Methylpropionic acid and 3-bromo-2 Methylpropionic acid, at catalyzer such as right-toluenesulphonic acids, sulfuric acid and hydrochloric acid exist down, 10-200 ℃ of heating, remove the water that produces through dehydrogenation-esterification simultaneously in solvent.On the other hand, consider the stability of starting material such as 2 mercapto ethanol or 3-mercaprol, dehydrogenation-esterification can obtain mercaptan carrying out under the decompression of 20-400mmHg under the situation of mild heat reaction system.
Use mercaptan compound of the present invention, sulphur atom can be introduced the product molecule and further improve its specific refractory power.And, mercaptan compound of the present invention through sulfydryl reaction carry out then can deriving after the dehydrohalogenation and obtain O-(methyl) acrylic compound, promptly, its can be easily with have can with the compound such as the aldehyde of the functional group of sulfydryl reaction, carboxylic acid and isocyanate reaction obtain required highly purified sulfur-bearing O-(methyl) acrylic compound.
B is-CH＜time when definition, and sulfur-bearing O-of the present invention (methyl) acrylic compound of representing with formula (1) can prepare by the methods that comprise following two steps with the mercaptan compound of compound with at least one aldehyde radical and formula (2).
At first, will have the compound of at least one aldehyde radical and top mercaptan compound 10-200 ℃ in solvent, at catalyzer such as right-toluenesulphonic acids, there are heating down in sulfuric acid and hydrochloric acid, remove the water that produces through dehydrogenation two thiol acetalizations simultaneously.Then, the dehydrohalogenation that mixture is carried out product with alkali-20 to 60 ℃ of processing obtains required (methyl) acrylate mixture.
The alkali that is used as hydrogen halide acceptor in (methyl) acrylated step of back includes, but are not limited to this, normally used alkali; For example, trialkylamine such as Trimethylamine 99 and triethylamine, pyridine, sodium hydroxide and potassium hydroxide.
Compound with at least one aldehyde radical comprises the aldehyde cpd that obtains easily and has any compound of array structure down:
Figure C0012267300071
Figure C0012267300072
With
Figure C0012267300073
Wherein m represents 1 or 2; Each ring can be by one or more alkyl with 1 or 2 carbon atom, and alkylthio or alkoxyl group replace; P and q are 0 or 1, and m is 1 when p is 1.
Operable concrete aldehyde comprises phenyl aldehyde, 2-tolyl aldehyde, 3-tolyl aldehyde, 4-ethylbenzene formaldehyde, 2, the 4-dimethylbenzaldehyde, 2,5-dimethylbenzaldehyde, 3, the 4-dimethylbenzaldehyde, 2,4, the 5-trimethylbenzaldehyde, 2,4, the 6-trimethylbenzaldehyde, 2-methoxybenzaldehyde, 3-methoxybenzaldehyde, the 4-methoxybenzaldehyde, 2, the 3-dimethoxy benzaldehyde, 2,4-dimethoxy benzaldehyde, 2, the 5-dimethoxy benzaldehyde, 3, the 4-dimethoxy benzaldehyde, 3,5-dimethoxy benzaldehyde, 2-ethoxy-benzaldehyde, the 3-ethoxy-benzaldehyde, 4-ethoxy-benzaldehyde, Phthalyldicarboxaldehyde, isophthalic aldehyde, terephthalic aldehyde, 2-methylthio phenyl formaldehyde, 4-methylthio phenyl formaldehyde, 4-methylthiomethyl phenyl aldehyde, phenylacetic aldehyde, 2 thiophene carboxaldehyde, 3-thiophenecarboxaldehyde, 3-methyl-2 thiophene carboxaldehyde, 4-methyl-2 thiophene carboxaldehyde, 5-methyl-2 thiophene carboxaldehyde, 5-ethyl-2 thiophene carboxaldehyde, 5-methylthio group thiophene phenol-2-aldehyde, 2,3-thiophene phenol dialdehyde, 2,5-thiophene phenol dialdehyde, the 1-naphthaldehyde, 2-naphthaldehyde, 1,2-naphthalene dialdehyde and 2,3-naphthalene dialdehyde.
The present invention has the main chain of same structure with each sulfur-bearing O-(methyl) acrylate of formula (1) expression, so has equal intramolecular crosslinking point distance basically.Therefore, by the aldehyde cpd of change formation precursor skeleton, and the thermodynamic property of the resulting resin of change that needn't be big, mechanical properties or its similar character, the resin that can select to obtain having different optical character.
Similarly, as definition B when being carbonyl, the present invention can be used in the sulfur-bearing carboxylic acid cpd that has at least two carboxyls in the molecule with sulfur-bearing O-(methyl) acrylic compound of formula (1) expression and the mercaptan compound of formula (2) prepares by the two-stage process that comprises mercaptan esterification and dehydrohalogenation.
When definition B be-during NH-CO-, the methods in two steps of the present invention can be used in the compound that has two isocyanate group in the molecule and formula (2) with sulfur-bearing O-(methyl) acrylic compound of formula (1) expression mercaptan compound by comprising mercaptan-urethane and dehydrohalogenation prepare.
When definition B was carbonyl, the thionothiolic acid that contains that constitutes sulfur-bearing O-(methyl) acrylic compound precursor skeleton was the carboxylic acid that obtains easily, and they have any array structure down:
HOOC-(CH 2) r-S-(CH 2) s-S-(CH 2) r-COOH，
HOOC-(CH 2) r-S-S-(CH 2) rCOOH，
HOOC-(CH 2) r-S-(CH 2) r-COOH and
Figure C0012267300081
Wherein r and s are 1 to 3 integers.
Operable concrete acid comprises thiodiglycolic acid, sulfurous base dipropionic acid, 4,4-sulfurous base two butyric acid, dithiodiglycollic acid, inferior disulfide group dipropionic acid, 4, inferior disulfide group two butyric acid of 4-, methylene radical two (Thiovanic acid), methylene radical two (thiohydracrylic acid), methylene radical two (sulfydryl butyric acid), ethylene (Thiovanic acid), ethylene (thiohydracrylic acid), ethylene (sulfydryl butyric acid), methyne three (Thiovanic acid), methyne three (thiohydracrylic acid) and methyne three (sulfydryl butyric acid).These sulfur-bearings O-(methyl) acrylic compound is more hydrophilic, because they have many intramolecularly ester bonds, they are expected to obtain the lens of tone improved performance.
When definition B be-during NH-CO-, the isocyanate compound that constitutes sulfur-bearing O-(methyl) acrylic compound precursor skeleton has any array structure down:
OCN-(CH 2) r-S-(CH 2) r-NCO，
OCN-(CH 2) r-S-S-(CH 2) r-NCO and
OCN-(CH 2) r-S-(CH 2) 2-S-(CH 2) r-NCO wherein r and s is the integer of 1-3.
Operable particular compound comprises two isocyanato-methyl sulfides, two isocyanatoethyl sulfide, two isocyanato-propyl group sulfide, two isocyanato-methyl disulphide, two isocyanatoethyl disulphide, two isocyanato-propyl disulfide things, two (isocyanato-methyl sulfenyl) methane, two (isocyanatoethyl sulfenyl) methane and two (isocyanato-propyl group sulfenyl) methane.Sulfur-bearing O-(methyl) acrylic compound that obtains thus is expected to have specific refractory power and the mechanical strength of resin such as the shock resistance of improvement, because they have intramolecularly thiocarbamate key.
If necessary, can be with an organic solvent in these reactions.Operable organic solvent is, but is not limited to this, those not with reaction in the solvent of the starting material reaction used.This organic solvent comprises aliphatic hydrocarbon and aromatic hydrocarbon and halohydrocarbon such as benzene, toluene, dimethylbenzene, hexane, heptane, sherwood oil, chloroform, methylene dichloride and ethylene dichloride; Ether such as ether, dioxane and tetrahydrofuran (THF); Ketone such as acetone and methylethylketone; And N, dinethylformamide.Suitable, the solvent of use is according to the material that uses, selections such as the type of reaction.
If necessary, these mercaptan, aldehyde, containing thionothiolic acid and isocyanate compound can be by purifications such as distillations.
Sulfur-bearing O-(methyl) acrylic compound with these method preparations improves as monomeric stability, and they are compared with sulfydryl (methyl) acrylic compound, are difficult to gelling and easier processing relatively.
Optical resin composition of the present invention comprise those compositions that contain sulfur-bearing O-of the present invention (methyl) acrylic compound and those contain sulfur-bearing O-(methyl) acrylic compound of the present invention and at least a can with the monomer of acrylic ester copolymer of the present invention, or many thiol compound compositions.For containing the monomer combination that is not acrylate of the present invention or many thiol compound, the amount of sulfur-bearing O-of the present invention (methyl) acrylic compound surpasses 20% (weight) of the gross weight of sulfur-bearing O-(methyl) acrylate and other monomers or many thiol compound, preferably surpass 40% (weight), more preferably surpass 60% (weight).
Can with the monomer of acrylate of the present invention or the copolymerization of many thiol compound can according to they purposes as, but be not limited to this, optical property comprises specific refractory power, and various physical propertiess comprise that shock resistance and proportion and the parameter relevant with processing comprise that the adjusting of monomeric viscosity selects.But the monomer of copolymerization or many thiol compound can use separately or two or more component is used in combination.
But the monomer of copolymerization comprises (methyl) acrylic compound such as vinylformic acid benzyl ester, the methacrylic acid benzyl ester, vinylformic acid butoxy ethyl ester, methacrylic acid butoxy methyl esters, cyclohexyl acrylate, cyclohexyl methacrylate, vinylformic acid 2-hydroxyethyl ester, methacrylic acid 2-methylol ester, vinylformic acid glyceryl ester, glyceral methacrylate, the vinylformic acid phenoxy ethyl, the methacrylic acid phenoxy ethyl, the methacrylic acid phenylester, glycol diacrylate, ethylene glycol dimethacrylate, diethylene glycol diacrylate, diethylene glycol dimethacrylate, triethylene glycol diacrylate, triethylene glycol dimethacrylate, Viscoat 335HP, tetraethylene glycol dimethacrylate, polyethyleneglycol diacrylate, polyethylene glycol dimethacrylate, diacrylic acid pentyl diol ester, the dimethacrylate DOPCP, vinylformic acid ethylene glycol bisthioglycolate glycidyl ester, methacrylic acid ethylene glycol bisthioglycolate glycidyl ester, bisphenol a diacrylate, bisphenol a dimethacrylate, 2,2-two (4-acrylic ethoxyl phenenyl) propane, 2,2-two (4-methacrylic acid group ethoxyl phenenyl) propane, 2,2-two (4-acrylic diethoxy phenyl) propane, 2,2-two (4-methacrylic acid group diethoxy phenyl) propane, the Bisphenol F diacrylate, the Bisphenol F dimethacrylate, 1,1-two (4-acrylic ethoxyl phenenyl) methane, 1,1-two (4-methacrylic acid group ethoxyl phenenyl) methane, 1,1-two (4-acrylic diethoxy phenyl) methane, 1,1-two (4-methacrylic acid group diethoxy phenyl) methane, 1,1-two (4-acrylic ethoxyl phenenyl) sulfone, 1,1-two (4-methacrylic acid group ethoxyl phenenyl) sulfone, 1,1-two (4-acrylic diethoxy phenyl) sulfone, 1,1-two (4-methacrylic acid group diethoxy phenyl) sulfone, dihydroxymethyl tristane diacrylate, Viscoat 295, trimethylolpropane trimethacrylate, glycerol diacrylate, dimethyl allene acid glyceride, pentaerythritol triacrylate, tetramethylol methane tetraacrylate, tetramethylolmethane tetramethyl-acrylate, vinylformic acid methylthio group ester, methacrylic acid methylthio group ester, vinylformic acid thiophenyl ester, methacrylic acid benzyl sulfenyl ester, xylylene two mercaptan diacrylates, xylylene two mercaptan dimethacrylates, mercapto thioethyl ether diacrylate and mercapto thioethyl ether dimethacrylate; Allylic cpd such as allyl glyceroether, diallyl phthalate, diallyl terephthalate, diallyl isophthalic acid ester, diallyl carbonic ether and glycol ether two (allyl carbonate); Vinyl compound such as vinylbenzene, chlorostyrene, vinyl toluene, bromostyrene, dibromo-benzene ethene, Vinylstyrene and 3,9-divinyl spiral shell two rings (-dioxane); And di isopropenylbenzene.
Many thiol compound comprises 1,1, and the 3-dimercaptopropane, 1,2, the 3-trithioglycerin, 2,3-dimercapto-1-propyl alcohol, glycol ether two (2-mercaptoacetate), glycol ether two (3-mercaptopropionic acid ester), TriMethylolPropane(TMP) two (2-mercaptoacetate), TriMethylolPropane(TMP) two (3-mercaptopropionic acid ester), Ji Wusi mercaptan four (2-mercaptoacetate), Ji Wusi mercaptan four (3-sulfydryl acrylate), 1, the 2-thioresorcin, 1, the 3-thioresorcin, 1,4-thioresorcin, 1,2-two (thiopurine methyltransferase) benzene, 1,3-two (thiopurine methyltransferase) benzene, 1,4-two (thiopurine methyltransferase) benzene, 1,2,3-tri-thiol benzene, 1,2,4-tri-thiol benzene, 1,3,5-tri-thiol benzene, 1,2,3-three (thiopurine methyltransferase) benzene, 1,2,4-three (thiopurine methyltransferase) benzene, 1,3,5-three (thiopurine methyltransferase) benzene, 4,4 '-sulfurous base hexichol mercaptan, two (2-mercapto ethyl) thioether, two (2-mercapto ethyl sulfenyl) methane, 1,2-two (2-mercapto ethyl sulfenyl) ethane, 1,3-two (2-mercapto ethyl sulfenyl) propane, 1,2,3-three (2-mercapto ethyl sulfenyl) propane, four (2-mercapto ethyl sulfenyl methyl) methane, 1,2-two (2-mercapto ethyl sulfenyl)-3-sulfydryl propane, 4,8-two (thiopurine methyltransferase)-3,6,9-three thias-1,11-undecane two mercaptan, 2,5-dimercapto-1,4-dithiane, 2,5-two thiopurine methyltransferases-1,4-dithiane and 2,5-two thiopurine methyltransferases-2,5-dimethyl-1,4-dithiane.Copolymerisable monomer is preferably used the compound of following formula (3) expression:
Figure C0012267300111
Wherein R represents hydrogen atom or methyl; T and u represent the integer of 0-4; Represent with E-CH 2-,-C (CH 3) 2-,-S-or-SO 2-.
Optical resin of the present invention is by polymerization optical resin composition preparation of the present invention; Particularly, by independent polymerization sulfur-bearing O-(methyl) acrylic compound of the present invention or copolymerization sulfur-bearing O-of the present invention (methyl) acrylic compound and another copolymerisable monomer or many thiol compound.
The polymerization process of preparation optical resin of the present invention can be, but be not limited to this, any known radical polymerization method.
Polyreaction can cause by using free-radical initiator such as various superoxide and azo-compound, or by ultraviolet ray, visible light, α-ray, beta-rays, gamma-radiation, electron rayies etc. or the irradiation of their combination cause.
Operable typical free-radical initiator comprises superoxide such as benzoyl peroxide; dicumyl peroxide; the lauroyl superoxide; nonane diacid two-t-butylperoxy ester; caproic acid t-butylperoxy-2-ethyl ester; lauric acid t-butylperoxy ester; phenylformic acid t-butylperoxy ester; caproic acid t-butylperoxy-3,5,5-trimethylammonium ester; acetate t-butylperoxy ester; two (4-tert-butylcyclohexyl) peroxy two carbonic ethers and t-butylperoxy sec.-propyl carbonic ether and azo-compound such as Diisopropyl azodicarboxylate, they can use separately or two or more are used in combination.
For by irradiation initiated polymerizations such as ultraviolet rays, also can use known light-initiator.Typical light-initiator comprises benzophenone; 4; 4-diethylamino benzophenone; the 1-hydroxycyclohexylphenylketone; 2,2-dimethoxy-2-phenyl methyl phenyl ketone, right-dimethylaminobenzoic acid isopentyl ester; 4-dimethylaminobenzoic acid methyl esters; bitter almond oil camphor, bitter almond oil camphor ethyl ether, bitter almond oil camphor isobutyl ether; the bitter almond oil camphor isopropyl ether; 2,2-diethoxy acetophenone, neighbour-benzoyl methyl benzoate; 2-hydroxy-2-methyl-1-phenyl third-1-ketone; 2,4,6-trimethylbenzoyl diphenyl phosphine oxide and bisacylphosphine oxide; they can use separately or two or more being used in combination, or are used in combination with any top free-radical initiator.
The typical polymerization process for preparing optical resin of the present invention (for example, plastic lens) comprises the casting mold polymerization.Particularly, contain radical-or light-initiator or optical resin composition of the present invention that both all contain can be called monomer mixture, be poured into by packing ring, in the fixed moulds such as adhesive tape, can carry out some during this period and handle as defoaming treatment.
Pass through irradiations such as ultraviolet ray then, or pass through and in stove, heat, or both are used in combination, can emit polymerisate then.
The polymerization process or the polymerizing condition of preparation optical resin of the present invention need not to be unified, because they depend on quantity and type and the monomeric type and the ratio of reagent such as initiator.
For example, for irradiations such as ultraviolet rays, can use and handle as cooling process, maybe can use wavelength filter etc. can end the instrument of the ray that is lower than a certain wavelength, so that only use the radiation exposure in the required wavelength region of desired polymerization to avoid monomer mixture overheated.For in stove, heating, can controlled temperature to select the ideal heating condition.Usually, temperature can slowly rise to predetermined temperature from lower temperature, and is retained to complete polymerization.The polymerization time cycle needs not to be unified, because it depends on quantity and type and the monomeric type and the ratio of reagent such as initiator.
Usually, can shorten polymerization cycle by irradiations such as ultraviolet rays.
For mold pressing resin of the present invention, can use various materials such as chain propagation agent, linking agent, Photostabilised dose, UV light absorber, antioxidant, anti--tinting material, dyestuff, spices and filler, this depends on the purposes of resin, as in the known mould pressing method.
If necessary, the mold pressing resin of emitting can be passed through any aftertreatment as annealing.
The optical resin that obtains from sulfur-bearing O-of the present invention (methyl) acrylate has following feature, that is, it has high refractive index and is low-scattering, and has good heat endurance, weathering resistance and, shock resistance especially, and in the course of processing, produce unpleasant odor hardly.And, resin of the present invention can form with mold pressing resin, it can pass through the mould of change in the casting mold polymerization with various form, and can be used as the lens use of device such as glasses and photographic camera, and as the transparent resin with different application.Resin of the present invention is particularly useful for the lens of Optical devices such as glasses and photographic camera.
And if necessary, the lens that prepare with optical resin of the present invention can pass through physical or chemical treatment such as surface grinding, antistatic treatment, and Hard Roll is coated with, and anti--reflection bag is coated with and dyes, to improve as surface reflection; Improve hardness, anti-abrasive property or chemical resistant properties; With give antifog or decorate character.
The present invention will specifically describe by following embodiment.The character relevant with the performance of the optical resin that obtains, that is, and specific refractory power (n 0), abbe number (v), proportion, shock resistance, smell during abrasion and outward appearance are estimated below.
(1) use Pulfrich refractometer to measure specific refractory power (n at 20 ℃ d) and abbe number (v d).
(2) outward appearance detects by an unaided eye.
(3) shock resistance is by the central value of lens that the steel ball of Different Weight is fallen to obtain from 127 centimetres of eminences.Its result represents with the heaviest steel ball weight of the lens of can not smashing or rupture.
(4) with Edger cutting with grind in the edge process of lens by judging whether to produce bad sulphur smell, according to the following smell of judging criterion evaluation in erosion process.Judgement criteria is as follows:
Zero; There is not bad sulphur smell
△; The sulphur smell is arranged slightly
*; Bad sulphur smell
Embodiment 1
Stirring rod is being housed, add 65.1 gram (0.60 mole) 3-chloropropionic acids in the reaction flask of thermometer and the dean stark trap that has condenser, 56.3 gram (0.72 mole) 2 mercapto ethanol, 400 milliliters of toluene and the right-toluenesulphonic acids of 3.0 grams are controlled at mixture then under 40 to 70mmHg the pressure and keep refluxing 9 hours to dehydrogenation esterification fully 40 ℃ of heating.Then organic layer is washed with 5% sodium bicarbonate aqueous solution and water (for several times).
The organic layer anhydrous magnesium sulfate drying removes toluene under reduced pressure, obtains 97.7 gram (0.58 mole) 3-chloropropionic acid 2-mercaptoethyl esters, and it is a colourless liquid, represents with following formula:
The results of elemental analyses of product is as follows.
Form: C 5H 9ClO 2S
C H S Cl
Measured value (%) 35.4 5.3 19.3 21.1
Calculated value (%) 35.6 5.4 19.0 21.0
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 1 3, interior mark object of reference: tetramethylsilane).
Embodiment 2
Stirring rod is being housed, add 21.2 gram (0.20 mole) phenyl aldehydes in the reaction flask of thermometer and the dean stark trap that has condenser, 70.8 gram (0.42 mole) 3-chloropropionic acid 2-sulfydryl ethyl ester, 0.3 restrain right-toluenesulphonic acids and 300 milliliters of toluene, then mixture be controlled under 80 to 110mmHg the pressure and keep refluxing 2 hours to complete two mercaptan acetalations 50 ℃ of heating.After the cooling, with organic layer water (once), 5% sodium bicarbonate aqueous solution (once) and water (for several times) washing.
The organic layer anhydrous magnesium sulfate drying removes toluene under reduced pressure, obtains 82.1 gram (0.19 mole) colourless liquids.
This liquid is dissolved in 200 milliliters of acetone, solution added stirring rod is housed, in the reaction flask of thermometer and dropping funnel, mixture is cooled to is lower than 10 ℃, slowly add 43.0 gram (0.42 mole) triethylamines when stirring, then mixture was stirred 10 hours at 25 ℃.
In mixture, add 200 milliliters of toluene and 200 ml waters then, enter organic layer, separate two-phase then with the abstraction reaction product.Organic layer dilute hydrochloric acid, dilute aqueous solution of sodium bicarbonate and washing with water then.The organic layer anhydrous magnesium sulfate drying steams toluene under the decompression, obtains the required sulfur-bearing O-acrylic compound that 66.9 grams are represented with following formula, that is, and and two (2-acryloxy ethyl) two thiol acetal benzene (0.190 mole) colourless transparent materials.
Figure C0012267300151
The results of elemental analyses of product is as follows.
Form: C 17H 20O 4S 2
C H S
Measured value (%) 57.8 5.8 18.4
Calculated value (%) 57.9 5.7 18.2
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 2 3, interior mark object of reference: tetramethylsilane).
Embodiment 3
Except replacing 21.2 gram (0.20 mole) phenyl aldehydes with 30.4 gram (0.20 mole) 4-methylthio phenyl formaldehyde, according to carry out the reaction of two mercaptan acetalations and acrylated as the description among the embodiment 2, obtain the sulfur-bearing O-acrylic compound that 76.4 grams are represented with following formula, that is 4-methylthio group two (2-acryloxy ethyl) two thiol acetal benzene (0.192 mole) colourless transparent materials.
Figure C0012267300152
The results of elemental analyses of product is as follows.
Form: C 18H 22O 4S 3
C H S
Measured value (%) 53.9 5.8 24.4
Calculated value (%) 54.2 5.6 24.1
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 3 3, interior mark object of reference: tetramethylsilane).
Embodiment 4
Except replacing 21.2 gram (0.20 mole) phenyl aldehydes with 31.2 gram (0.20 mole) 1-naphthaldehydes, according to carry out the reaction of two thiol acetalations and acrylated as the description among the embodiment 2, obtain the sulfur-bearing O-acrylic compound that 78.3 grams are represented with following formula, that is 1-two (2-acryloxy ethyl) two thiol acetal naphthalene (0.195 mole) colourless transparent materials.
The results of elemental analyses of product is as follows.
Form: C 21H 22O 4S 2
C H S
Measured value (%) 62.6 5.6 16.1
Calculated value (%) 62.7 5.5 15.9
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 4 3, interior mark object of reference: tetramethylsilane).
Embodiment 5
Except replacing 21.2 gram (0.20 mole) phenyl aldehydes with 22.4 gram (0.20 mole) 2-thiophene phenol formaldehyde, according to carry out the reaction of two thiol acetalations and acrylated as the description among the embodiment 2, obtain the sulfur-bearing O-acrylic compound that 54.1 grams are represented with following formula, that is 2-two (2-acryloxy ethyl) two thiol acetal thiophene phenol (0.152 mole) colourless transparent materials.
Figure C0012267300171
The results of elemental analyses of product is as follows.
Form: C 15H 18O 4S 3
C H S
Measured value (%) 50.4 5.0 26.7
Calculated value (%) 50.3 5.1 26.8
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 5 3, interior mark object of reference: tetramethylsilane).
Embodiment 6
Except replacing 21.2 gram (0.20 mole) phenyl aldehydes with 24.0 gram (0.20 mole) phenylacetic aldehydes, according to carry out the reaction of two thiol acetalations and acrylated as the description among the embodiment 2, obtain the sulfur-bearing O-acrylic compound that 65.2 grams are represented with following formula, that is Ben Yajiaji two (2-acryloxy ethyl) two thiol acetals (0.178 mole) colourless transparent material.
Figure C0012267300172
The results of elemental analyses of product is as follows.
Form: C 18H 22O 4S 2
C H S
Measured value (%) 59.3 6.0 17.7
Calculated value (%) 59.0 6.1 17.5
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 6 3, interior mark object of reference: tetramethylsilane).
Embodiment 7
Stirring rod is being housed, is adding 39.3 gram (0.20 mole) methylene radical two (Thiovanic acid) in the reaction flask of thermometer and dropping funnel, 81.0 gram (0.48 mole) 3-chloropropionic acid 2-sulfydryl ethyl esters, 0.1 gram Dimethylamino pyridine and 400 milliliters of chloroforms.Under agitation condition, in the mixture in water-bath, slowly add the 90.8 gram solution of (0.44 mole) dicyclohexylcarbodiimide in 100 milliliters of chloroforms, then in 25 ℃ of restir mixtures 15 hours.With excessive dicyclohexylcarbodiimide cancellation, remove the urea of formation with acetate then by vacuum filtration.After the reduction vaporization chloroform, remaining material is dissolved in 300 milliliters of toluene.Organic layer washs with 5% sodium bicarbonate aqueous solution, washes with water then, uses anhydrous magnesium sulfate drying.Remove toluene under reduced pressure and obtain 88.6 gram (0.18 mole) colourless liquids.
This liquid is dissolved in 300 milliliters of acetone and add adds stirring rod is housed, in the reaction flask of thermometer and dropping funnel, mixture be cooled to be lower than 10 ℃, in mixture, slowly add 37.8 gram (0.37 mole) triethylamines, then with mixture 25 ℃ of restir 10 hours.
In mixture, add 400 milliliters of toluene and 300 ml waters then, enter organic layer, separate two-phase then, organic layer dilute hydrochloric acid, dilute aqueous solution of sodium bicarbonate and washing with water then with the abstraction reaction product.The organic layer anhydrous magnesium sulfate drying steams toluene under the decompression, obtains the required sulfur-bearing O-acrylic compound of 59.2 grams, that is, and and methylene radical two (acryloxy ethyl sulfenyl mercaptoacetate) (0.14 mole) colourless transparent material.
Figure C0012267300181
The results of elemental analyses of product is as follows.
Form: C 15H 20O 6S 4
C H S
Measured value (%) 42.3 5.0 29.7
Calculated value (%) 42.4 4.8 30.2
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 7 3, interior mark object of reference: tetramethylsilane).
Embodiment 8
Except replace 39.3 gram (0.20 mole) methylene radical two (Thiovanic acid) among the embodiment 7 with 30.0 gram (0.20 mole) thiodiglycolic acids, according to carry out the reaction of dehydrogenation esterification and acrylated as the description among the embodiment 7, obtain the sulfur-bearing O-acrylic compound that 52.7 grams are represented with following formula, that is two (acryloxy ethyl sulfenyl) mercaptoacetate (0.14 mole) colourless transparent materials.
Figure C0012267300191
The results of elemental analyses of product is as follows.
Form: C 14H 18O 6S 3
C H S
Measured value (%) 44.5 4.7 25.7
Calculated value (%) 44.4 4.8 25.4
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 8 3, interior mark object of reference: tetramethylsilane).
Embodiment 9
Except replace 39.3 gram (0.20 mole) methylene radical two (Thiovanic acid) among the embodiment 7 with 57.3 gram (0.20 mole) methynes three (Thiovanic acid), with employed material be, 3-chloropropionic acid 2-sulfydryl ethyl ester, the quantity of dicyclohexylcarbodiimide and triethylamine is correspondingly changed into 0.72 mole, 0.66 the mole and 0.59 mole outside, according to carry out the reaction of dehydrogenation esterification and acrylated as the description among the embodiment 7, obtain the sulfur-bearing O-acrylic compound that 100.6 grams are represented with following formula, that is methyne three (acryloxy ethyl sulfenyl mercaptoacetate) (0.16 mole) water white transparency material.
Figure C0012267300192
The results of elemental analyses of product is as follows.
Form: C 22H 28O 9S 6
C H S
Measured value (%) 42.3 4.4 30.3
Calculated value (%) 42.0 4.5 30.6
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 9 3, interior mark object of reference: tetramethylsilane).
Embodiment 10
Stirring rod is being housed, is adding 19.0 gram (0.10 mole) two (isocyanato-methyl sulfenyl) methane in the reaction flask of thermometer and dropping funnel, 15 milligrams of tin methide dichloride and 100 milliliters of toluene.Under agitation condition, in the mixture in water-bath, slowly add 33.7 gram (0.20 mole) 3-chloropropionic acid 2-sulfydryl ethyl esters, under uniform temp, stir the mixture then and stirred 2 hours at 50 ℃ then in 2 hours.After the cooling, filter the crystallization that produces, washing is also dry, obtains 42.5 gram (0.08 mole) white crystals.
Crystallization is dissolved in 200 milliliters of acetone and adds stirring rod is housed, in the reaction flask of thermometer and dropping funnel.In solution, slowly add 17.1 gram (0.17 mole) triethylamines, then with mixture 25 ℃ of restir 10 hours.
In mixture, add 200 milliliters of toluene and 200 ml waters then, enter organic layer with the abstraction reaction product.Separate two-phase then, organic layer dilute hydrochloric acid, dilute aqueous solution of sodium bicarbonate and washing with water then.The organic layer anhydrous magnesium sulfate drying steams toluene under the decompression, obtains required sulfur-bearing O-acrylic compound (0.065 mole) white crystals of 29.7 grams.
Figure C0012267300201
The results of elemental analyses of product is as follows.
Form: C 15H 22N 2O 6S 4
C H N S
Measured value (%) 39.8 5.1 6.0 28.5
Calculated value (%) 39.6 4.9 6.2 28.2
Its 1The H-NMR collection of illustrative plates is (solvent: CDCl in accompanying drawing 10 3, interior mark object of reference: tetramethylsilane).
Embodiment 11 to 19
In each the 50 gram products of embodiment 2 to 10, add the 2-hydroxy-2-methyl-1-phenyl third-1-ketone of 50-100 milligram, mixture is thoroughly mixed as light trigger.All behind the froth breaking, mixture is poured in the mould of being made up of glass template and adhesive tape.Mould heats 1 hour with polymeric composition at 120 ℃ then with uviolizing 10 to 60 seconds.After the polymerization, slowly cooling is shifted the mold pressing product from mould.The mold pressing product, that is, the physical properties of lens is listed in the table 1.
Table 1
Monomer Outward appearance Specific refractory power Abbe number
Embodiment 11 Embodiment 2 compounds CL/TR * 1.600 36.5
Embodiment 12 Embodiment 3 compounds CL/TR 1.624 30.4
Embodiment 13 Embodiment 4 compounds CL/TR 1.637 27.5
Embodiment 14 Embodiment 5 compounds CL/TR 1.609 35.8
Embodiment 15 Embodiment 6 compounds CL/TR 1.600 34.6
Embodiment 16 Embodiment 7 compounds CL/TR 1.602 38.5
Embodiment 17 Embodiment 8 compounds CL/TR 1.589 40.7
Embodiment 18 Embodiment 9 compounds CL/TR 1.606 38.2
Embodiment 19 Embodiment 10 compounds CL/TR 1.632 37.5
*CL/TR: water white transparency
Embodiment 20
Add 15 gram two (4-acryloxy diethoxy phenyl) methane and the 50 milligrams of 2-hydroxy-2-methyl as light trigger-1-phenyl third-1-ketone in 35 grams, two (2-acryloxy ethyls), the two thiol acetal benzene that in embodiment 2, obtain, mixture is thoroughly mixed.All behind the froth breaking, mixture is poured in the mould of being made up of glass template and adhesive tape.
Mould heats 1 hour with polymeric composition at 120 ℃ then with uviolizing 10 seconds.After the polymerization, slowly cooling is shifted the mold pressing product from mould.The mold pressing product, that is, the physical properties of lens is listed in the table 2.
Embodiment 21 to 26
Except monomer composition in the table 2 is listed in use, to carry out obtaining plastic lens as the method for describing among the embodiment 20, their evaluation result is listed in the table 2 with the evaluation result of embodiment 20.
Result in the table 2 shows that the plastic lens of embodiment 20 to 26 is water white; They are at specific refractory power (n d), abbe number (v d) and proportion between good balance is arranged; Has good shock resistance; And in the process of lapping of resin, do not produce unpleasant odor.
The comparative example 1 to 3
Except monomer composition in the table 2 is listed in use, to carry out obtaining plastic lens as the method for describing among the embodiment 20, their evaluation result is listed in the table 2 with the evaluation result of embodiment 20-26.
Result in the table 2 shows that comparative example's plastic lens compares with the plastic lens of embodiment 20 to 26 and have lower shock resistance, produces unpleasant odor in the process of lapping of resin.
Table 2
Monomer ratio (wt.%) n d v d Proportion Shock resistance Smell Outward appearance
Embodiment 20 Embodiment 2 compounds 70 BSFA 30 1.590 36 1.27 117g ○ CL/TR *
Embodiment 21 Embodiment 2 compounds 65 BSFA 30 Vinylstyrenes 5 1.591 36 1.27 67g ○ CL/TR
Embodiment 22 Embodiment 3 compounds 65 BSFA 30 TEGDMA 5 1.598 33 1.28 67g ○ CL/TR
Embodiment 23 Embodiment 4 compounds 50 BSFA 50 1.590 32 1.25 117g ○ CL/TR
Embodiment 24 Embodiment 6 compounds 70 BSFA 30 1.590 35 1.26 67g ○ CL/TR
Embodiment 25 Embodiment 7 compounds 80 BSFA 20 1.595 38 1.36 117g ○ CL/TR
Embodiment 26 Embodiment 10 compounds 80 BSFA 15 TEGDMA 5 1.591 38 1.37 117g ○ CL/TR
The comparative example 1 DTAET 80 DCPA 20 1.609 42 1.29 The 16g fracture × CL/TR
The comparative example 2 AETE 70 vinylbenzene 30 1.581 40 1.25 The 16g fracture △ CL/TR
The comparative example 3 XDMET 80 BSAM 20 1.588 39 1.31 The 16g fracture △ CL/TR
*CL/TR: water white transparency
BSFA: two (4-acryloxy diethoxy phenyl) methane
TEGDMA: tetraethylene glycol dimethacrylate
DTAET:2,5-two (acryloxy ethyl sulfenyl methyl)-1,4-dithiane
AETE: two (acryloxy ethyl sulfenyl) ethane
XDMET: right-two (Beta-methyl acryloxy ethyl sulfenyl) xylylene
BSAM:2,2-two (4-methacryloxy diethoxy phenyl) propane
DCPA: dihydroxymethyl tristane diacrylate

Claims (7)

1. sulfur-bearing O-(methyl) acrylic compound of a following formula (1):
Wherein R represents hydrogen atom or methyl;
L represents the integer of 1-3;
B is
N is l;
M is 2 or 3;
A is selected from following group:
-(CH 2) r-S-(CH 2) r-，-(CH 2) r-S-S-(CH 2) r--，
-(CH 2) r-S-(CH 2) s-S-(CH 2) r-and
Figure C001226730002C3
Wherein r and s are 1 to 3 integers.
2. method for preparing sulfur-bearing O-(methyl) acrylic compound of claim 1, this method comprise with the compound that has two carboxyls in the molecule at least makes the mercaptan compound of formula (2) expression carry out the mercaptan esterification:
Figure C001226730002C4
Wherein X represents Cl or Br; R represents hydrogen atom or methyl; Represent 1 to 3 integer with l;
Then product is removed hydrogen halide; The compound that has at least two carboxyls in the wherein said molecule is selected from the compound of following structural:
HOOC-(CH 2) r-S-(CH 2) s-S-(CH 2) r-COOH，
HOOC-(CH 2) r-S-S-(CH 2) r-COOH，
HOOC-(CH 2) r-S-(CH 2) r-COOH and
Figure C001226730003C1
Wherein r and s are 1 to 3 integers.
3. optical resin composition that contains sulfur-bearing O-(methyl) acrylic compound of claim 1.
4. according to the optical resin composition of claim 3, its contain at least a can with the monomer of sulfur-bearing O-(methyl) acrylic compound and the copolymerization of many thiol compound.
5. according to the optical resin composition of claim 4, wherein copolymerisable monomer is the compound with following formula (3) expression:
Figure C001226730003C2
Wherein R represents hydrogen atom or methyl; T and u represent the integer of 0-4; Represent with E-CH 2-,-C (CH 3) 2-,-S-or-SO 2-.
6. the optical resin for preparing by the composition polymerization of one of claim 3 to 5.
7. lens that constitute by the optical resin of claim 6.
CNB001226738A 1996-05-29 1997-05-29 Mercaptan and sulfenyl-(methyl) acrylate compound and their application Expired - Lifetime CN1264816C (en)

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US6369269B2 (en) 2002-04-09
US6265510B1 (en) 2001-07-24
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EP0810210A3 (en) 1998-12-09
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DE69703861T2 (en) 2001-06-13
CN1308060A (en) 2001-08-15
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